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5 Motion Control Parameters
NJ/NX-series CPU Unit Motion Control User’s Manual (W507)
5-3 Axes Group Parameters
5
5-3-2 Axes Group Basic Settings
Set whether to use the axes group. If you are going to use the axes group, set the axis configuration
and the axes to use.
*1 Set this parameter when using the NX701 CPU Unit.
*2 An error occurs if you execute the MC_GroupEnable (Enable Axes Group) instruction for an axes group that
contains an unused axis.
The following table lists the axis compositions you can use with the MC Function Module. Use the Sys-
mac Studio to set the axis composition according to the actual devices.
5-3-2 Axes Group Basic Settings
Parameter name Function Setting range Default
Axes Group Number Set the logical number of the axes group. This number
specifies which of the following system-defined vari-
ables to use: _MC_GRP[0-63], _MC1_GRP[0-63],
_MC2_GRP[0-63].
--- ---
Motion Control
*1
Assign to either of the primary periodic task or priority-5
periodic task.
1: Primary periodic task
2: Priority-5 periodic task
1 or 2 1
Axes Group Use Set whether to enable or disable the axes group. An
error occurs if you execute a motion control instruction
for an undefined or unused axes group.
*2
0: Undefined axes group
1: Unused axes group
2: Used axes group
0 to 2 0
Composition Set the axis composition of the axes group.
0: 2 axes
1: 3 axes
2: 4 axes
0 to 2 0
Composition Axes Sets the axis number to assign to the axes group. Set
Axis Variable names from the Sysmac Studio to use for
the A0 to A3 axes.
2 to 4 axes 0
Composition
Composition Description
2 axes A two-axis configuration is used. For example, a machine with a two-axis Carte-
sian coordinate system is used.
3 axes A three-axis configuration is used. For example, a machine with a three-axis
Cartesian coordinate system is used.
4 axes A four-axis configuration is used. For example, a machine with a three-axis Car-
tesian coordinate system is used with a rotary axis at the end tool.
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